{"id":254182,"date":"2013-05-30T10:38:42","date_gmt":"2013-05-30T02:38:42","guid":{"rendered":"http:\/\/blog.zhenglei.net\/?p=254182"},"modified":"2013-05-30T10:38:42","modified_gmt":"2013-05-30T02:38:42","slug":"%e8%bd%ac%ef%bc%89-android-logcat%e4%bd%bf%e7%94%a8%e8%af%a6%e8%a7%a3","status":"publish","type":"post","link":"https:\/\/blog.zhenglei.net\/?p=254182","title":{"rendered":"(\u8f6c\uff09 Android LogCat\u4f7f\u7528\u8be6\u89e3"},"content":{"rendered":"

Android\u7684Logcat\u7528\u4e8e\u663e\u793a\u7cfb\u7edf\u7684\u8c03\u8bd5\u4fe1\u606f\uff0c\u53ef\u5728\u5206\u522b\u4ee5\u4e0b\u51e0\u4e2a\u5730\u65b9\u67e5\u770b\u548c\u8c03\u7528logcat\uff1a\u00a0
\n1.eclipse\u7684Debug\u6a21\u5f0f\u6216DDMS\u6a21\u5f0f\u4e0b\u7684\u4f1a\u6709\u4e00\u4e2aLogcat\u7a97\u53e3\uff0c\u7528\u4e8e\u663e\u793alog\u65e5\u5fd7\u00a0<\/strong>
\n\u53ea\u9700\u5728eclipse\u4e2d\u542f\u52a8Android\u6a21\u62df\u5668\uff0c\u5207\u6362\u5230DDMS\u6216debug\u6a21\u5f0f\u4e0b\uff0c\u5c31\u4f1a\u6709Logcat\u7a97\u53e3\uff0c\u7a97\u53e3\u53f3\u4e0a\u65b9\u6709\u4e00\u7cfb\u5217\u56fe\u6807\uff0c\u5176\u4e2dV\u3001D\u3001I\u3001W\u3001E\u4e94\u4e2a\u56fe\u6807\u4e3a\u4e94\u4e2a\u8c03\u8bd5\u4fe1\u606f\u8fc7\u6ee4\u5668\uff1a<\/p>\n

V\uff1a\u4e0d\u8fc7\u6ee4\u8f93\u51fa\u6240\u6709\u8c03\u8bd5\u4fe1\u606f \u5305\u62ec VERBOSE\u3001DEBUG\u3001INFO\u3001WARN\u3001ERROR
\nD\uff1adebug\u8fc7\u6ee4\u5668\uff0c\u8f93\u51faDEBUG\u3001INFO\u3001WARN\u3001ERROR\u8c03\u8bd5\u4fe1\u606f
\nI\uff1ainfo\u8fc7\u6ee4\u5668\uff0c\u8f93\u51faINFO\u3001WARN\u3001ERROR\u8c03\u8bd5\u4fe1\u606f
\nW\uff1awaring\u8fc7\u6ee4\u5668\uff0c\u8f93\u51faWARN\u548cERROR\u8c03\u8bd5\u4fe1\u606f
\nE\uff1aerror\u8fc7\u6ee4\u5668\uff0c\u53ea\u8f93\u51faERROR\u8c03\u8bd5\u4fe1\u606f
\n
\n2.Android\u547d\u4ee4\u6a21\u5f0f\u4e0b\uff0c\u5728\u542f\u52a8\u4e00\u4e2a\u6a21\u62df\u5668\u662f\u53ef\u4ee5\u9009\u62e9\u662f\u5426\u9700\u8981\u542f\u52a8logcat\uff1a\u00a0<\/strong>
\nAndroid Emulator\u547d\u4ee4\u7684\u7528\u6cd5: emulator [options] [-qemu args]
\n1.Android Emulator\u547d\u4ee4\u7684\u7528\u6cd5: emulator [options] [-qemu args]<\/p>\n

\u542f\u52a8\u6a21\u62df\u5668\u547d\u4ee4\uff1aemulator -avd <name> -logcat <tags>;
\nname\uff1a\u6a21\u62df\u5668\u540d\u5b57\uff0ctags\u8c03\u8bd5\u4fe1\u606f\u8fc7\u6ee4\u5668\u7c7b\u578b
\n\u4f8b\u5982\uff1aemulator -avd GPhone -logcat w
\n\u542f\u52a8GPhone\u6a21\u62df\u5668\u5e76\u8fd0\u884clogcat\u663e\u793a\u8c03\u8bd5\u4fe1\u606f\uff0c\u8c03\u8bd5\u4fe1\u606f\u7684\u8fc7\u6ee4\u5668\u662fw\uff08\u53ef\u66ff\u6362\u4e3av\u3001d\u3001i\u3001e\uff09\uff0c\u4ee3\u8868\u53ea\u663e\u793awaring\u548cerror\u4e24\u7c7b\u8c03\u8bd5\u4fe1\u606f\u3002<\/p>\n

2.Android adb \u547d\u4ee4\uff1aadb logcat [ <filter-spec> ] – View device log
\n<filter-spec> == <priority>\/<tag>,(pritrity\u6807\u7b7e\uff0ctag\u4e3a\u8fc7\u6ee4\u7c7b\u578b)
\n\u4f8b\u5982\uff1a2.1\u3001adb logcat \u663e\u793a\u6240\u6709\u8c03\u8bd5\u4fe1\u606f
\n2.2\u3001adb logcat *:w \u663e\u793awaring\u8fc7\u6ee4\u5668\u8fc7\u6ee4\u540e\u7684\u8c03\u8bd5\u4fe1\u606f
\n2.3\u3001adb logcat Test1:V Test2:D \u663e\u793a\u6807\u7b7e\u4e3aTest1\u7684\u6240\u6709\u8c03\u8bd5\u4fe1\u606f\uff0c\u4ee5\u53ca\u663e\u793a\u6807\u7b7e\u4e3aTest2Debug\u8fc7\u6ee4\u5668\u8fc7\u6ee4\u540e\u7684\u8c03\u8bd5\u4fe1\u606f
\n
\n3.Android\u7a0b\u5e8f\u4e2d\u8bbf\u95ee\u8c03\u8bd5\u65e5\u5fd7\uff0c\u5e76\u663e\u793a\uff1a
\n<\/strong>
\n\u6458\u81ea\uff1ahttp:\/\/www.iteye.com\/topic\/477112
\nlogcat\u4ecb\u7ecd\u547d\u4ee4\u9009\u9879\u3002
\n-s \u9ed8\u8ba4\u8bbe\u7f6e\u8fc7\u6ee4\u5668
\n-f\u00a0\u00a0\u00a0\u00a0\u00a0 \u8f93\u51fa\u5230\u65e5\u5fd7\u6587\u4ef6
\n-c \u6e05\u9664\u65e5\u5fd7
\n-d \u83b7\u53d6\u65e5\u5fd7
\n-g \u83b7\u53d6\u65e5\u5fd7\u7684\u5927\u5c0f
\n-v\u00a0\u00a0\u00a0\u00a0\u00a0 \u683c\u5f0f\u8bbe\u7f6e\u65e5\u5fd7\uff08\u89c1\u4e0b\u9762\u7684\u683c\u5f0f\u6253\u5370\u683c\u5f0f\uff09<\/p>\n

-v \u683c\u5f0f \u4f8b
\nbrief W\/tag ( 876): message
\nprocess W( 876) message (tag)
\ntag W\/tag : message
\nthread W( 876:0x37c) message
\nraw message
\ntime 09-08 05:40:26.729 W\/tag ( 876): message
\nthreadtime 09-08 05:40:26.729 876 892 W tag : message
\nlong [ 09-08 05:40:26.729 876:0x37c W\/tag ] message<\/p>\n

\u4ee3\u7801\u4f8b\u5b50\uff1a
\nAndroidManifest.xml\u6dfb\u52a0\u8bfb\u53d6\u6743\u9650
\n<uses-permission android:name=”android.permission.READ_LOGS” \/><\/p>\n

\u6e05\u9664\u65e5\u5fd7
\ntry {
\nRuntime.getRuntime().exec(“logcat -c”);
\n} catch(Exception e) {<\/p>\n

\u83b7\u53d6\u65e5\u5fd7
\ntry {
\nArrayList<String> commandLine = new ArrayList<String>();
\ncommandLine.add( “logcat”);
\ncommandLine.add( “-d”);
\ncommandLine.add( “-v”);
\ncommandLine.add( “time”);
\ncommandLine.add( “-s”);
\ncommandLine.add( “tag:W”);
\nProcess process = Runtime.getRuntime().exec( commandLine.toArray( new String[commandLine.size()]));
\nBufferedReader bufferedReader = new BufferedReader( new InputStreamReader(process.getInputStream()), 1024);
\nString line = bufferedReader.readLine();
\nwhile ( line != null) {
\nlog.append(line);
\nlog.append(“\/n”)
\n}
\n} catch ( IOException e) {
\n}<\/p>\n

\u7ed3\u679c\uff1a
\n09-08 09:44:42.267 W\/tag\u00a0\u00a0\u00a0\u00a0 (\u00a0 754): message1
\n09-08 09:44:42.709 W\/tag\u00a0\u00a0\u00a0\u00a0 (\u00a0 754): message2
\n09-08 09:44:43.187 W\/tag\u00a0\u00a0\u00a0\u00a0 (\u00a0 754): message3
\n09-08 09:44:45.295 E\/tag\u00a0\u00a0\u00a0\u00a0 (\u00a0 754): message8<\/p>\n

 <\/p>\n

 <\/p>\n

 <\/p>\n

\u6709\u65f6\u5019\u5f53\u8fde\u63a5\u5230\u624b\u673a\u4e0a\u9762\u8fdb\u884c\u8c03\u8bd5\u7684\u65f6\u5019\uff0c\u5728LogCat\u91cc\u9762\u7ecf\u5e38\u51fa\u73b0log\u4fe1\u606f\u4e4b\u51fa\u73b0\u524d\u9762\u7684\u51e0\u884c\uff0c\u4e0d\u65ad\u7684\u5728\u95ea\u70c1\uff0c\u65e0\u6cd5\u6b63\u5e38\u67e5\u770blog\u4fe1\u606f\u7684\u60c5\u51b5\uff0c\u81f3\u5c11\u5230\u73b0\u5728\u8fd8\u6ca1\u6709\u53d1\u73b0\u89e3\u51b3\u7684\u529e\u6cd5\uff0c\u73b0\u5728\u6700\u8fd8\u7684\u505a\u6cd5\u5c31\u662f\u5c06log\u5728adb logcat\u547d\u4ee4\u884c\u91cc\u9762\u663e\u793a\u6216\u8005\u91cd\u5b9a\u5411\u6587\u4ef6\u4e2d\u3002<\/p>\n

\u8fd8\u6709\u4e00\u79cd\u60c5\u51b5\u662f\u6211\u53ea\u60f3\u6253\u5370\u6211\u5355\u72ec\u70b9\u68c0\u7684Filter\uff0c\u5982\u679c\u7528adb logcat\u4f1a\u6253\u5370\u5f88\u591a\u7684\u65e0\u5173\u7684log\u4fe1\u606f\uff0c\u5f71\u54cd\u67e5\u770b\uff0c\u53ef\u4ee5\u4f7f\u7528adb logcat -s onFling\u67e5\u770b\u6211\u6dfb\u52a0\u7684Filter “onFling”,\u5f53\u7136\u4e5f\u662f\u53ef\u4ee5\u91cd\u5b9a\u5411\u5230\u6587\u4ef6\u4e2d\u3002<\/p>\n

\u5f53\u6709\u591a\u53f0\u624b\u673a\u8bbe\u5907\u94fe\u63a5\u7535\u8111\u65f6\uff0cadb\u94fe\u63a5\u7279\u5b9a\u7684\u8bbe\u5907\uff1aadb -s HT114RX11535 logcat<\/p>\n","protected":false},"excerpt":{"rendered":"

Android\u7684Logcat\u7528\u4e8e\u663e\u793a\u7cfb\u7edf\u7684\u8c03\u8bd5\u4fe1\u606f\uff0c\u53ef\u5728\u5206\u522b\u4ee5\u4e0b\u51e0\u4e2a\u5730\u65b9\u67e5\u770b\u548c\u8c03 … \u7ee7\u7eed\u9605\u8bfb →<\/span><\/a><\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[5],"tags":[],"class_list":["post-254182","post","type-post","status-publish","format-standard","hentry","category-android"],"_links":{"self":[{"href":"https:\/\/blog.zhenglei.net\/index.php?rest_route=\/wp\/v2\/posts\/254182","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/blog.zhenglei.net\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blog.zhenglei.net\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blog.zhenglei.net\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.zhenglei.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=254182"}],"version-history":[{"count":2,"href":"https:\/\/blog.zhenglei.net\/index.php?rest_route=\/wp\/v2\/posts\/254182\/revisions"}],"predecessor-version":[{"id":254184,"href":"https:\/\/blog.zhenglei.net\/index.php?rest_route=\/wp\/v2\/posts\/254182\/revisions\/254184"}],"wp:attachment":[{"href":"https:\/\/blog.zhenglei.net\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=254182"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.zhenglei.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=254182"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.zhenglei.net\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=254182"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}